Jeep CHEROKEE 2021 Owner's Manual page 368

366 SERVICING AND MAINTENANCE
Mileage or time passed (whichever comes first)
Or Years:
Or Kilometers:
Flush and replace the engine coolant at 10 years or
150,000 miles (240,000 km) whichever comes first.
Inspect and replace PCV valve if necessary.
1. The spark plug change interval is mileage based only, yearly intervals do not apply.
2. The spark plug change interval is mileage based only, yearly intervals do not apply.
WARNING!
You can be badly injured working on or

around a motor vehicle. Do only service
work for which you have the knowledge and
the right equipment. If you have any doubt
about your ability to perform a service job,
take your vehicle to a competent mechanic.
2
WARNING! (Continued)
Failure to properly inspect and maintain your

vehicle could result in a component malfunc-
tion and affect vehicle handling and perfor-
mance. This could cause an accident.
(Continued)
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